Tracking Two Storms Impacting the Northern U.S. Through Thanksgiving and into This Weekend

Heavy lake effect snow, gusty winds, and localized blizzard conditions will persist through Thanksgiving near and downwind of the Great Lakes. Rain and mountain snow are forecast for the Pacific Northwest. Confidence is increasing for another winter storm to develop over the northern and central Rockies Friday and track across the central Plains through the Midwest and Great Lakes this weekend. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

62°F

17°C

Humidity	34%
Wind Speed	NE 7 mph
Barometer	30.36 in (1027.8 mb)
Dewpoint	33°F (1°C)
Visibility	10.00 mi
Last update	27 Nov 5:56 pm CST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles SW San Marcos TX

Tonight
Low: 49 °F
Mostly Cloudy
Friday
High: 64 °F
Mostly Cloudy
then Slight
Chance
Showers
Friday Night
Low: 59 °F
Chance
Showers
Saturday
High: 77 °F
Slight Chance
T-storms
Saturday Night
Low: 43 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 53 °F
Mostly Cloudy
Sunday Night
Low: 39 °F
Cloudy then
Slight Chance
Showers
Monday
High: 50 °F
Chance
Showers
Monday Night
Low: 35 °F
Slight Chance
Showers

Detailed Forecast

Tonight

Mostly cloudy, with a low around 49. East northeast wind around 5 mph becoming calm.

Friday

A slight chance of sprinkles before 3pm, then a slight chance of showers after 3pm. Mostly cloudy, with a high near 64. East northeast wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

Friday Night

A 50 percent chance of showers. Cloudy, with a low around 59. South southeast wind around 10 mph, with gusts as high as 25 mph. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday

A slight chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 77. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. West southwest wind 5 to 10 mph becoming north 10 to 15 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 40%.

Sunday

Mostly cloudy, with a high near 53. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.

Sunday Night

A 20 percent chance of showers after midnight. Cloudy, with a low around 39. North northeast wind around 10 mph, with gusts as high as 25 mph.

Monday

A 30 percent chance of showers. Cloudy, with a high near 50. North northeast wind around 10 mph.

Monday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 35. North northeast wind 5 to 10 mph.

Tuesday

Mostly sunny, with a high near 57.

Tuesday Night

Mostly clear, with a low around 33.